R440开机风扇狂转噪音很大，温度灯亮黄色。

按电源按钮开机后，风扇声音越来越大。左边温度灯黄色。

BIOS刷到最新。

idrac里看散热概述里，风扇状态是X。

截取了一段日志：

Fan 1A RPM is less than the lower warning threshold.    Tue 28 May 2024 15:27:00
Fan 1A RPM is less than the lower critical threshold.    Tue 28 May 2024 15:27:00
Fan 1B RPM is less than the lower warning threshold.    Tue 28 May 2024 15:26:58
Fan 1B RPM is less than the lower critical threshold.    Tue 28 May 2024 15:26:58
Fan redundancy is lost.    Tue 28 May 2024 15:26:56
Fan 1B is either removed, incorrectly installed, or not present.    Tue 28 May 2024 15:25:57
Fan 1A is either removed, incorrectly installed, or not present.    Tue 28 May 2024 15:25:55
The chassis is open while the power is off.    Tue 28 May 2024 15:22:01

IDRAC里截图：